Mesa (master): vc4: Report to shader-db how many threads a fragment shader has.

Eric Anholt anholt at kemper.freedesktop.org
Wed Mar 8 21:57:07 UTC 2017


Module: Mesa
Branch: master
Commit: 0fca01d0279c5794ae2aceee27668c974b586f87
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0fca01d0279c5794ae2aceee27668c974b586f87

Author: Eric Anholt <eric at anholt.net>
Date:   Fri Mar  3 16:37:50 2017 -0800

vc4: Report to shader-db how many threads a fragment shader has.

Doing instruction count analysis when we emit the thread switches that
will save us from tons of stalls is kind of missing the point.

---

 src/gallium/drivers/vc4/vc4_program.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c
index 2c9447f..3708b1b 100644
--- a/src/gallium/drivers/vc4/vc4_program.c
+++ b/src/gallium/drivers/vc4/vc4_program.c
@@ -2643,6 +2643,13 @@ vc4_get_compiled_shader(struct vc4_context *vc4, enum qstage stage,
                 }
         }
 
+        if ((vc4_debug & VC4_DEBUG_SHADERDB) && stage == QSTAGE_FRAG) {
+                fprintf(stderr, "SHADER-DB: %s prog %d/%d: %d FS threads\n",
+                        qir_get_stage_name(c->stage),
+                        c->program_id, c->variant_id,
+                        1 + shader->fs_threaded);
+        }
+
         qir_compile_destroy(c);
 
         struct vc4_key *dup_key;




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